{stdenv, fetchurl}: stdenv.mkDerivation { name = "genext2fs-1.4.1"; src = fetchurl { url = http://surfnet.dl.sourceforge.net/sourceforge/genext2fs/genext2fs-1.4.1.tar.gz; sha256 = "1z7czvsf3ircvz2cw1cf53yifsq29ljxmj15hbgc79l6gbxbnka0"; }; }